Finding the Fourth Proportional to 6,861,631.80, 10,292,447.70 and 3,082,495.80
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Solution
The fourth proportional to 6,861,631.80, 10,292,447.70 and 3,082,495.80 is: 4,623,743.70
Step by Step Solution
- Step 1: Write the proportion equation
6,861,631.80 : 10,292,447.70 = 3,082,495.80 : x - Step 2: Convert to fraction form
6,861,631.80/10,292,447.70 = 3,082,495.80/x - Step 3: Cross multiply
6,861,631.80x = 10,292,447.70 × 3,082,495.80 - Step 4: Simplify right side
6,861,631.80x = 31,726,426,806,969.66 - Step 5: Solve for x
x = 31,726,426,806,969.66/6,861,631.80 - Step 6: Final answer
x = 4,623,743.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.